Consider these sample means for the number of weekend hours spent studying for a Monday exam. A 2-column table with 2 rows. Colu
mn 1 is a labeled Sample with entries 1, 2, 3, 4. Column 2 is labeled Sample Mean with entries 8, 5, 6, 4. Which statements are true? Check all that apply. The variation in the sample means is less than 5. The variation in the sample means makes population predictions invalid. The actual population mean most likely will be between 4 and 8. The sample means can be used to make predictions about the population mean. The population mean is greater than 8.
Rather, the National Association of Realtors expects rates to average 3.1% and the Mortgage Bankers Association says mortgage rates will average 3.3% in 2021. These rate estimates are both up from the 3.0% mortgage rate average in 2020 but lower than 2019 average rates.
